2025you

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Information

Transient

Name: SN2025you
Right ascension: 16h06m00.89s
Declination: 18d47m08.04s
Discovery Date: Sept. 25, 2025, 5:18 a.m.
Classification: SN Ia
Redshift: 0.045000
MW E(B-V): 0.035

Host

Name:
Right ascension: 16h06m00.89s
Declination: 18d47m08.90s
Redshift: None
Photometric Redshift: 0.110
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.57
Transient MWEBV processed 0.06
Host match processed 5.15
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 2.54
Global aperture photometry processed 5.79
Validate global photometry processed 15.47
Global host SED inference processed 552.64
Local aperture photometry processed 5.59
Validate local photometry processed 0.03
Local host SED inference processed 477.75
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 16h06m00.89s, 18d47m08.04s
semi major axis, semi minor axis (arcsec) = 2.26, 2.26
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 5.09 1.9 22.134 0.404 AB
SDSS_g 13.45 1.13 21.078 0.091 AB
PanSTARRS_g 11.25 0.59 21.272 0.057 AB
SDSS_r 17.96 1.43 20.764 0.086 AB
PanSTARRS_r 17.21 0.64 20.811 0.040 AB
SDSS_i 19.79 2.06 20.659 0.113 AB
PanSTARRS_i 19.44 0.69 20.678 0.039 AB
PanSTARRS_z 27.1 1.48 20.317 0.059 AB
SDSS_z 30.51 6.83 20.189 0.243 AB
DES_z 21.6 1.64 20.564 0.083 AB
PanSTARRS_y 18.81 3.36 20.714 0.194 AB

Aperture details

RA, DEC (J2000) = 16h06m00.88s, 18d47m09.06s
semi major axis, semi minor axis (arcsec) = 3.78, 2.78
angle (degrees, anti-clockwise from east) = -25.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.71 1.74 22.818 0.699 AB
GALEX_NUV 3.08 1.06 22.679 0.374 AB
SDSS_u 9.53 2.77 21.452 0.315 AB
SDSS_g 17.03 1.41 20.822 0.090 AB
PanSTARRS_g 14.67 0.85 20.984 0.063 AB
SDSS_r 23.54 1.84 20.470 0.085 AB
PanSTARRS_r 21.44 0.9 20.572 0.046 AB
SDSS_i 24.02 2.78 20.448 0.125 AB
PanSTARRS_i 25.2 0.96 20.397 0.041 AB
PanSTARRS_z 36.03 2.06 20.008 0.062 AB
SDSS_z 28.1 9.66 20.278 0.373 AB
DES_z 27.01 1.99 20.321 0.080 AB
PanSTARRS_y 19.95 4.65 20.650 0.253 AB
2MASS_J -39.1 85.66 Vega
2MASS_H 63.85 154.86 18.019 2.633 Vega
2MASS_K 80.59 138.88 17.296 1.871 Vega
WISE_W1 12.51 6.4 18.458 0.556 Vega
WISE_W2 11.39 8.7 17.920 0.830 Vega
WISE_W3 -14.43 52.26 Vega
WISE_W4 -379.07 319.82 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.943 8.143 8.287
{\rm log}_{10}({\rm SFR}) -2.669 -1.845 -1.151
{\rm log}_{10}({\rm sSFR}) -10.851 -10.021 -9.197
{\rm stellar\ age} 1.885 5.967 7.683

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.571 -1.018 -0.484
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.859 -1.560 -0.332

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.138 0.458 0.959
\delta -0.452 -0.079 0.243
\tau_1/\tau_2 0.646 1.054 1.442
Q_{PAH} 1.378 3.352 5.496
U_{min} 3.210 8.686 16.226
{\rm log}_{10}(\gamma_e)\, -2.719 -1.598 -0.546

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.383 -0.307 0.112
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.386 1.886

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.221 -2.048 -1.401
0.03-0.10 Gyr -2.952 -1.868 -1.082
0.10-0.33 Gyr -2.555 -1.734 -1.006
0.33-1.09 Gyr -2.595 -1.776 -1.308
1.09-3.59 Gyr -3.024 -1.831 -1.529
3.59-11.84 Gyr -3.389 -1.886 -1.595
11.84-13.15 Gyr -3.512 -1.929 -1.331

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.056 8.257 8.413
{\rm log}_{10}({\rm SFR}) -2.273 -1.409 -0.604
{\rm log}_{10}({\rm sSFR}) -10.524 -9.690 -8.802
{\rm stellar\ age} 1.203 5.510 7.583

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.736 -1.283 -0.764
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.785 -1.283 0.046

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.603 1.073
\delta -0.389 -0.006 0.284
\tau_1/\tau_2 0.603 1.011 1.445
Q_{PAH} 1.830 3.933 5.826
U_{min} 3.871 9.625 17.679
{\rm log}_{10}(\gamma_e)\, -2.479 -1.219 -0.407

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.925 -0.796 -0.042
{\rm log}_{10}(\tau_{AGN})\, 1.079 1.481 1.868

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.714 -2.280 -1.620
0.03-0.10 Gyr -2.290 -1.306 -0.452
0.10-0.33 Gyr -2.576 -1.357 -0.726
0.33-1.09 Gyr -3.438 -1.680 -1.173
1.09-3.59 Gyr -3.832 -1.758 -1.395
3.59-11.84 Gyr -4.063 -1.900 -1.517
11.84-13.15 Gyr -4.080 -1.878 -1.153